Security plate



FIG. 1 is a front elevational view of a security plate showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a perspective view thereof;

FIG. 5 is a front elevational view of a second embodiment of a security plate;

FIG. 6 is a side elevational view of FIG. 5;

FIG. 7 is a rear elevational view of FIG. 5; and,

FIG. 8 is a perspective view of FIG. 5. 

The ornamental design for security plate, as shown and described. 